The PTFE. Connect the transmission oil cooler lines to the auxiliary cooler. Previously, we could get the transmission fluid to spike to 190 degrees or more with just a few wide. The cooler lines themselves are 5/16” with flare fittings. GM Transmission Line, 1/4" NPSM to -6AN Hose Adapter Set Used to replace factory quick disconnect cooler hard lines with AN style hose and fittings. 8 lb-ft. Monster Transmission provides transmission parts for all transmission year, make, and models. Qty. The 2nd generation trans had the return line moved back on the case to the center bearing for improved lubrication. FITTING TYPE - 5/8"-18, 450 SIE. Take a small pick and get the wire e clip off in the fitting dont lose it you can put the clip back on after the line is off and it will pop back in. It is important to be aware of the specific fitting requirements when it comes to transmission lines. Add 3-4 quarts of new fluid in the trans dipstick tube to the full line on the dipstick and repeat. Toggle menu (844) 298-6404 Login or Sign Up; 0. Customer Review. 00 Add to cart * LPD4739, Tru-Cool Max Oil Cooler, with Remote Thermal Bypass, 47RE / 48RE / 68RFE $ 220. General Motors Transmission Info . Size 1 Count (Pack of 1) Item Package Quantity 1 : Included Components Dorman 800-605: Transmission Line Connector With 3/8 Tube X 5/8-18 In. Installation Kit: Yes – Includes universal installation kit with rubber transmission line, various fittings, clamps,. 102 posts · Joined 2017. We also took time to assess a wide variety of options including durability, materials, designs, expert reviews & customer ratings to find the best-performing 4l60e trans lines . Find the right. 32,950. My 4L60E fit under the floor with no sheet metal surgery required, and yes, I'm also using the Holley forward-bias engine mounts on my 70 El Camino. Customer reviews and photos may be available to help you make the right purchase decision!. • Hot flush or replace transmission cooler and lines. I don't have a pic, I think it was by the governor. I don't believe brand is a concern. It appears that the supercharger's air-to-water intercooler, which sits in front of the transmission cooler, blocks enough. , it is very important to determine the send line and which line is the return line on a 4l60e transmission (inlet and outlet). 00 Add to cartDecrease Quantity of Transmission Cooler Fittings Kit [Set of 2], 700R4/4L60E/4L80E Increase Quantity of Transmission Cooler Fittings Kit [Set of 2], 700R4/4L60E/4L80E. On The Tree. 562-inches and a height from 3. Transmission Cooler Line Adapter,Designed with 6AN to 1/4in NPSM thread pitch, used for AN type hoses and quick disconnect cooler hard pipes, professional size butt, strong adaptability, after installation, the performance can be as good as the original accessories. Notes: Most. Please check as much as possible to make sure the size is the exact one that you need. Fitting Location: Thread Size: Flow Direction: Upper: ¼” Pipe: Return/in: Lower: ¼. 99 pr. If you cant the clips out just unsrcew the fitting out of the trans, it will swivel and you wont bend or break anything. The bottom pressure port on the tranny should be hooked to the top port on your radiator. 0L models with 140 amp. Cooler size: 8. When selecting the correct size for a GM transmission, such as the Turbo 350, Turbo 400, 700R4 or 4L60E, it is important to ensure that you select the right size. Automatic Transmission Fittings Fits stock adapters. Based on the actual diagram, the cooler line flow is not too. Apr 28, 2019. i was able to determine that the thread size is 1/2" x 20. 7262 posts · Joined 2010. D. I'll try and list out everything I. Shipping Weight: 0. Transmission cooler lines are generally available in sizes ranging from 3/8 inch to 5/8 inch. Tru Cool 40k – Best Transmission Cooler For Towing & Trucks. 0 out of 5 stars Buy TIKSCIENCE Flexible SS Braided Transmission Cooler Hose Line Fit for Ford C4 - C6 - AOD, for GM Chevy 1996 and Newer 4L80E, for Turbo 350/ 400/ 200 - 200R4/700R4 - 4L60 - 4L60E - 4L65E: Cooling Lines - Amazon. Name Condition Transmission model Country Country Price; COOLER LINE FITTING 4L60E SNAP IN TYPE 4L65E 4L70E TRANSMISSION OEM M30 M32 M70 Shift Rite TransmissionsFind Parts and Accessories 4l60e cooler line fittings KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing!Buy PQY 70" 6AN SS Braided Transmission Cooler Hose Lines Kit Compatible with Ford C6/AOD & GM Chevy 1996-2021 for. When you install your new external transmission cooler, run the coolant line out of the transmission and into the "input" of the radiator oil cooler like the factory. Use a size 40 TORX bit on a 3/8 drive ratchet. Find Transmission Line Adapter Fittings 4L60E Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing! 4L65E / 700R4 / 4L60 / 4L60E Cooler Line Fitting, 5/16" x 1/4" (82-Up) A Brand 4L65E, 700-R4, 4L60, 4L60E cooler line filling. I'm installing an aftermarket cooler this weekend along with the usual stainless braided lines & AN fittings, and a transmission temperature gauge. Joined Mar 1, 2012. Package quantity: 1. Accumulator Cover to Case Bolt: 1: M6. Coooler Line Connector Fitting: 2: 1/4-18: 38 N-m. DORMAN . 8: Pick from Amazon: 2: JSDAN 4L60E 6 AN x 1/4NPS Transmission Cooler Adapter Fittings Front and Rear -AOD TH350 TH400 700R4 200-4R TR6060 4R100 4R70W C5 Aluminum 551114 (Pack Of 2) 9. Transmission oil cooler line connector 3/8" body quick connector. 0 out. This effect varies with 46 or 47 RH/RE cooler lines and may become a problem as head pressure nears 80 psi. Name Required. replace the fitting with the transmission line, fill the transmission to full cold line on the dipstick, start the truck and warm up the trans. JJLT1. It took me about 3 hours as well, but I did not have the special transmission line tool. 24hrsparkey Discussion starter. PRICE: 22. 8 out of 5 stars Guest Discussion starter. 6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines. AN to NPS. . In this video, I show you what I used for my Transmission lines on my 1980 K5 Blazer with LS Swap and 4L60e. 48re Transmission Guide & Information. Brand New. Buy Transmission Cooler Line Quick Connector - NOE 7305033 online from NAPA Auto Parts Stores. 520" across the 1/4 NPS threads. I was using the factory type fitting and line that use the little e-clip to hold. Part #: TR705 Line: AGS 2410006. by Transmission Cooler Guide. 25; Transmission case fittings vary from pictures 43 posts · Joined 2013. - removed and re installed the fitting after cleaning it by scotch-briting the inner flange. Replacing 4L60E Auto Trans Push in type Cooling Line rubber oring seal, make sure you replace it if you remove the transmission to avoid future leaking probl. Bowler 4L80-E / 4L85-E Transmission Cooler Line Fitting for 1996 ( and up) 1/4 NSPT threads to -6 AN line fitting. Nylon Stainless Steel Braided Fuel Line Oil/Gas/Fuel Hose End Fitting Hose with 10PCS Swivel Fuel Hose Fitting Adapter Kit - Black. Get the Best Performance with JEGS Automatic Transmission Cooler Line Kit for GM Powerglide 113600K parts at JEGS. Fits GM 4L60E 4L65E Transmission Cooler Lines Fitting Set 6AN Fiber & SS Braided. Opens in a new window or tab. 39 816 07-29-2017, 06:42 PM #8. 1. Read More. Line with 3/4" wrench size S. The cooler comes standard with a fan for great cooling ability even at low speeds and in remote mounted areas. JEGS 113601K Part Number: 555-113601K. $38. It's 1/8" npt and a sensor will thread right in. T30107A Transmission case to 5/16" cooling line fitting. Cooler Line Fittings. Stock bottom 350, Built by B-Body Performance. #1 · Aug 25, 2011. Not Yet Reviewed. also. 63 Nova Wagon. Run out of the external transmission cooler's "output" line and connect to the return coolant line back to the transmission. Estimated Ship Date: Today. An o-ring could just as easily squish into the tube when you tighten the nut and then you would have a loose o-ring, or parts of one, headed for the transmission. 2393 posts · Joined 2000. 95. Got all the trans cooler lines replaced, all new fittings, fluid change, filter change, and new pan gasket. Shunevade SS Braided Transmission Cooler Hose Line Compatible with Chevy 1996-2021 700R4 4L60 4L60E 4L65E 4L80E: 9. torqueflow part 900390. If using your existing transmission lines, flush thoroughly with brake cleaner before installing new cooler. Read More. This warning applies to stainless steels as well. Part #: 918-5602 Line: DOR. 1. The first step is to remove the grille to allow easy access to the A-shaped hoop where we’re going to mount the cooler. 1995-1998 Chevy-GMC Truck Transmission Cooler Lines, 4WD, 4L60E, 3/8" Stainless Steel. 8 out of 5 stars 6 These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission cooler Compatible with: TH400, TH350, 700R4, 4L60E, & 200-4R transmissions (4L80E see other listing, compatible with 1 additional long fitting) The Grumpy Grease Monkey mechanical engineer. 516", standard GM transmission case thread) These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission coolertor and shifter cable. NPS x -6 AN. NA: 10. I will probably go try to have a replacement soft line made, and install it before cutting the original. 91 . line fitting is 1/2″-20 inverted flare INS. Jump to Latest Follow 16237 Views 21 Replies 4 Participants Last post by dieseloutlaw270, Mar 20, 2013. Thermal bypass valve comes with the Long Tru-Cool transmission cooler P/N 4739 only. Package Width. Can be stock or braided line with fittings. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF. #1 · May 16, 2005. Pair of Transmission fittings 1/8 in. 0l; yukon 2500 04-06 4 sp rwd/4x4 v8 8. PRIMARY COOLING Transmission (See Diagram #4 & 5) 1. Decrease Quantity of Quick Connect Cooler Line Fitting, 700R4/4L60E/4L80E Increase Quantity of Quick Connect Cooler Line Fitting, 700R4/4L60E/4L80E. Production completed in the USA. 4l80e Transmission Filter. Fitting, Transmission Cooler Line Connector, Steel, 3/8 NPT Male Threads, Quick-connect, Cadillac, Chevy, GMC. 1) is composed of a cylindrical outer conductor surrounding a conducting inner core , often made from copper or other conductive materials. What size are transmission cooler lines? Transmission Radiator end of fitting has 1/4″ MPT. Find many great new & used options and get the best deals for TH350 700R4 4L60E 200R4 Transmission Cooler Line Adapter Fittings AN6 Made in US at the best online prices at eBay! Free shipping for many products!Derale 14204, 700R4 / 4L60E, Transmission Pan Cooler $ 259. Powerglide - OEM. Most of the trans cooler tubes I see are 5/16. The derale transmission cooler for4l60e has been making quality transmission cooling pans for over 25 years, This new 700r4/4l60e pan has been redesigned to fit more applications than previous designs. JEGS Automatic Transmission Cooler Line Kit for GM Powerglide. NPS . Part. These are not for a 01 Chevy Silverado 3500 transmission line will not fit not even close the picture of these items are enlarged giving the appearance of being. NPS Male Threads, -6 AN Male AN, 4L60E, AOD, C5, TH350, TH400, Each. This was supposed to be for a 2008 4L80e fitting adapter, to run cooler lines. 4L60E Transmission Line Fitting Size Mar 16, 2020 / 9 Minutes Read / By Albert What size are transmission cooler line fittings? Are braided transmission. Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in. Fitting Size: 3/8 Inch. SKU # 209263. 99. Coaxial line (seen in Figure 3. GM used multiple types of cooler fittings. 4L60E cooler lines issue. 56" thread outside dimension, see other listings for smaller thread 6AN to 9/16-18 Package Includes: 1 fitting (bare aluminum finish), 1 oring. 1. cooler line fitting; push-in type; fits front, 3/8" durable steel construction; by teckpak usa; photo shows actual cooler line fittingTECKPAK FITZALL FS-210 Ford Push-In Cooler Line Fittings 11/16" Threads, 2 O Rings inside. 6AN Transmission Cooler Lines 70 Inch, Nylon and Stainless Steel Braided Hose Fitting Repair Kit for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E, for Ford C4-C6-AOD, for GM Chevy 1996-2021 4L80E. Note: This info assumes you can swap or remove cooler line fittings, electronics modules, tailshaft housings, and shifter brackets yourself. What you need to know about GM Chevy transmission cooler line removal. $11. $52. Find Transmission Line Adapter Fittings Aluminum Fitting Material and get Free Shipping on Orders Over $109 at Summit Racing!. Find many great new & used options and get the best deals for LS1 4L60E Conversion to Standard Transmission Cooler Line Adapter Fittings at the best online prices at eBay! Free shipping for many products!. #1 · Sep 27, 2013. 50. Package Height. • Cooler flow must be at least 1-quart per 15-seconds. These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission. 98 @ 122. Find Dorman Transmission Line Connectors and get Free Shipping on Orders Over $109 at Summit Racing! Dorman transmission line connectors are designed to thread-in your automatic transmission case and allow you to connect to an external cooler. 40. 88. Review Subject Required. The tapered threads and the lack of a stop on the OE cooler line fitting can load the case and create a fracture, resulting in leakage that may require replacing the case. 45 Add to Cart: GM COOLER LINE FITTING,. 99. The transmission cooling line system is vital to any automatic transmission. 90. I'll have to dig around for the links here on the forum. 00 + Sold in packs of 1 x 1: $8. Transmission cooler lines are generally available in sizes ranging from 3/8 inch to 5/8 inch. the trans usually has Adapter Fittings that go from Pipe Threads to Flair fitting,, or you can change the adapter to a hose fitting with a barb or. Will fit years from 1982 - UP. #8. The tool is required to release the clip, so it is not stretched which could lead to a failure of the clip, causing the cooler lines to become disconnected. 3. 37 $ 12. 06: $0. About this item . Fitting Size. Eva. R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. Regarding factory coolers for trucks, GM SUVs, etc. When hot. 88 $ 45. These fittings are 1/4-inch pipe thread, and CAN include an adapter. Sold as a pair and includes the spring clips to hold the cooler lined together. Comments. Fitting Size: 1/2″ NPT. GM B and D-body 4L60E differences by year: ’94: First year of electronic controls in the valvebody (versus the ’93 4L60, which did not have this). Cooler RETURN fitting (Horizontal-points towards front of car) 9/16-18 UNF. 05. 0LA4LDAEROSTAR96-97V6. 5/16" Line x 1/4" pipe. #1 · Apr 23, 2020. Lower ⅛" Pipe Cooler feed/out. Tighten the bolts to 12 Nm (106 lb in). 4 out of 5 stars 11. Additionally, these bolts are suitable for a wide range of other General Motors transmissions. 4L65E / 700R4 / 4L60 / 4L60E Cooler Line Fitting, 5/16″ x 1/4″ (82-Up). Male AN O-ring, -6 AN Male AN, Each Part Number: EAR-961982ERL 5. Tru-Cool - Max LPD47391 47391 Low Pressure Drop Transmission Oil Cooler. I'll keep everyone updated w/pics as my install progress continues. Features: The Transmission Adapter Fitting Designed for the Front and rear transmission line ports. Transmission Line Connector - Tube Size 1/2 - Thread. Material:. 6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines 4. This barbed fitting had to be jammed pretty good into the factory line because. Usually, when installing a transmission cooler, you will require an internal diameter of 11/32 inch. 4. 4 inches and weighs 236 pounds. Automatic Transmission Cooler Line, Chevy, GMC, 5. Vandura. I need some low profile transmission cooling lines due to space constraints. Sent from my HiDiNg PlAcE. Part # 900250. Package Width. These preformed transmission lines replace the original transmission cooler lines and run from transmission to radiator following the factory routing. These will work in early (’96 and earlier) 4L80E transmissions as well. 25. B&M 70264 transmission cooler. single-channel and dual-channel coolers are installed. Sold as a pair and includes the spring clips to hold the cooler lined together. These cooler line fittings are offered in various thread sizes and configurations to adapt your existing transmission. Powerglide - Dedenbear. Our products have been undergone durability test, sealing test, temperature test, and pressure tests before. 200, 200-4R, 700-R4, 4L60E, 4L65E, 4L80E (1991 - 1996)* They fit any transmission port that is 1/4" NSPT and will convert to a -6AN male fitting. 99. Feb 12, 2020. Feature: 100% Brand New Direct replacement for proper fit and function every time. Check out free battery charging and engine diagnostic testing while you are in store. BrianF. This is intended for aftermarket transmission coolers with -6AN Fittings. Monster Transmission provides transmission parts for all transmission year, make, and models. Cooling Rows: 48. 06: Alternate: Quantity: Add to Cart. Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector ;. Jeep & truck accessories. 5/16 SCREW IN COOLER LINE FITTING CONVERSION 4L60E 4L65E 4L80E ADAPTER 700R4 1/4To help you find the 4l60e trans lines brand we analyzed & researched all the features that are right for you and came up with a list of 10 different options to purchase. #3. Lowest Price Guarantee. Derale 14204, 700R4 / 4L60E, Transmission Pan Cooler $ 259. Got about 5m of 5/16 fuel line from a commodore I found at the wreckers for $10 and used that. FORD Fuel AC Transmission Line Fitting DISCONNECT QUICK Connect Master TOOL. Dorman 800-614 Transmission Line Connector - Tube Size 3/8 - Thread 9/16-18UNF Compatible. 10623 posts · Joined 2002. Part. Female hosebarb threads onto radiator Jeep & Dodge Kit 3928. Another Wrangler direct fit transmission cooler option for the JK owners is the B&M 70291. Rating Required. PRICE: 8. When mounting the cooler with the fittings on the right or left side, the lower fitting must be the inlet with the top fitting routing the fluid back to the transmission. 95: In Stock. It's usually withing 10* of the factory sensor in the pan. 2nd one looks like a 4L80E with an auxiliary cooler and a down flow radiator. I have a friend that is putting a 1995 B-body LT1 and 4L60E tranny into a 1931 Model A street rod. Aluminum Powerglide 350 350C 200 200-4R 700-R4 4L60E 4L65E 4L80E 1991The return line on a 4L60e transmission cooler is the outlet on the top line where hot fluid flows from the factory cooler. 4L65 Trans. 7l 6. Some are 3/8. 99End 2 Type: Hose BarbEnd 1 Type: 3/8 InchMaterial: Brass. 5. Summit Racing™ Transmission Line Adapter Fittings. It's usually 3/8" OD. Fill the transmission with liquid to the “full cold” line on the dipstick. 2. Transmission coolers range in price between $30 and $1,000, depending on size, attached cooling fan, and other options. CNC bent and preformed lines Correct fittings All lines and fittings are flared to original specifications 2 piece set Gas engine only Made in the USA This restoration transmission line has been manufactured in the USA and pre-bent to fit. Transmission Cooler Fittings Kit [Set of 2], 700R4/4L60E/4L80E $14. Some transmission above-listed & coolers may have different size fittings than our kit includes; 2. Is there a thermostat in-line somewhere in the trans for the cooler lines, or does it rely on the stock cooler ebing part of the radiator to help bring the trans up to temp as well?. Upgrade the transmission cooler to keep your 4l80e transmission running longer. NPS x -6 AN. 1. pipe. Transmission Cooler Installation Kit. All Dorman transmission oil cooler line designs are fit- and function-tested in a 12-step testing process, and must pass a grueling 120-hour salt spray test to prove corrosion. Fits Most Common Domestic Transmissions. 4. Fitting Size. 10mm and 3⁄8 line are close enough in size that in a pinch, standard 3⁄8 tube nuts can be drilled out to fit over the 10mm line, then double-flared in place. Part Number: RNB-800-606. These quick disconnect cooler lines feature fluid fittings that exceed flow requirements while connecting and disconnecting with 100% accuracy. We have the best Auto Trans Oil Cooler Line Fitting for the right price. 2410006. 1995-98 Chevrolet GMC Truck 4L60E 5/16" Trans Cooler Lines 2pc, OE Steel. Some of the most popular models of transmission coolers among LS owners include the B&M 70264 (stacked plate, around $60), the Hayden OC-1404 (around $50), the B&M 24k, and the Flex-a-Lite 18k (around $50), but there are countless other good ones out there. . I think they're 1/2" nps. $9. Fitting Type. Whether replacing an existing transmission or on a brand new install always flush out the cooler and lines with at minimum some brake cleaning agent and compressed air. Transmission Cooler Line Clips, 3 Different Size. Opens in a new window or tab. from ClassicCars. 6 out of 5 stars 142. About this item 【Product Detail】-8 x 1/4 NPS is the correct thread size for most of the GM 4L60E transmissions. The filters we. 1. Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair. 0L models with 140 amp alternator. If you don't see something that you may need just let us know! Please feel free to check out Our Monster Transmission Reviews or call 1-800-708-0087 with any. Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector ; Durable construction - this oil cooler line connector is made of quality materials for a precise fit and leak-free durability. So I switched to stock lines for a 1999 Blazer. The most-effective verification technique is to temporarily bypass the cooler circuit and re-test. When selecting the correct size for a GM transmission, such as the Turbo 350, Turbo 400, 700R4 or 4L60E, it is important to ensure that you select the right size. 7L 6. #1 · Sep 27, 2013. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. So Thinking about getting AN 10 female to barb hose fittings for it. Add To Cart. Fittings, Transmission Cooler Lines to Case, -6 AN to 1/4 in. Yukon. 1 4. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF Compatible with Select Models. Size: 1 Count (Pack of 1)Fittings Included: NoEnd 2 Type: Quick DisconnectEnd 1 Inside Diameter: 0. 6 x 1/4NPS is the correct size for GM turbo 350, Turbo 400, 700R4, 4L60E, early 4L80E with both ports towards the front of the case. I am teed into the top cooler line near the radiator. GVW: 29,200 (BTU) Fitting Size: 1/2″ NPT6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines. Product Size - Each 3/8" inner diameter hose is about 70" long with AN-6. 399 posts · Joined 2010. Dyno Tested: Yes. 4L60E transmission. Just purchased a new 30-row aluminum transmission cooler for my project and 4L60 trans. Because of this, the Tru Cool 40k is the best transmission cooler upgrade for your 1500 or 2500hd (6. IMO hookup a 4' or longer rubber transmission line off of the easiest access point before the leaks are occuring. GM Genuine Parts 25874797 Automatic Transmission Fluid Cooler Line Fitting Seal . 09 with 10 percent savings -10% $ 5. Jan 23, 2018. Buy TIKSCIENCE Flexible SS Braided Transmission Cooler Hose Line Fit for Ford C4 - C6 - AOD, for GM Chevy 1996 and Newer 4L80E, for Turbo 350/ 400/ 200. Find Transmission Line Adapter Fittings 4L60E Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing!4L65E / 700R4 / 4L60 / 4L60E Cooler Line Fitting, 5/16" x 1/4" (82-Up) A Brand 4L65E, 700-R4, 4L60, 4L60E cooler line filling. Grab a 5/16 and a 3/8 open-end wrench, and test-fit the open ends over the tubing. Fitting Size 2:-6 AN . Tweet. Is there a thermostat in-line somewhere in the trans for the cooler lines, or does it rely on the stock cooler ebing part of the radiator to help bring the trans up to temp as well?. These fittings are made from a high-quality steel with an O-ring seal for reliable performance. PART# 624-100A and 624-101A ($15 each) They snap in, and hug the trans and the LS block. Don't worry about the volume left in the cooler.